Home / 608,941.40-913,412.10-293,430.20

Finding the Fourth Proportional to 608,941.40, 913,412.10 and 293,430.20

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Solution

The fourth proportional to 608,941.40, 913,412.10 and 293,430.20 is: 440,145.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,941.40 : 913,412.10 = 293,430.20 : x
  2. Step 2: Convert to fraction form
    608,941.40/913,412.10 = 293,430.20/x
  3. Step 3: Cross multiply
    608,941.40x = 913,412.10 × 293,430.20
  4. Step 4: Simplify right side
    608,941.40x = 268,022,695,185.42
  5. Step 5: Solve for x
    x = 268,022,695,185.42/608,941.40
  6. Step 6: Final answer
    x = 440,145.30

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.